:root{

    --primary:#0057a3;
    --primary-dark:#003f78;
    --secondary:#00a6ff;

    --dark:#182433;
    --gray:#6b7280;
    --light:#f5f7fa;
    --white:#ffffff;

    --shadow:
        0 10px 30px rgba(0,0,0,.08);

    --radius:16px;
}

*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

html{
    scroll-behavior:smooth;
}

body{

    font-family:'Inter',sans-serif;

    color:var(--dark);

    background:#fff;

    line-height:1.7;

    padding-top:80px;
}

/* -------------------------------- */
/* Container */
/* -------------------------------- */

.container{

    width:min(1200px,90%);
    margin:auto;
}

/* -------------------------------- */
/* Header */
/* -------------------------------- */

.header{

    position:fixed;

    top:0;
    left:0;

    width:100%;

    background:rgba(255,255,255,.97);

    backdrop-filter:blur(10px);

    box-shadow:
        0 2px 10px rgba(0,0,0,.05);

    z-index:999;
}

.nav-wrapper{

    height:80px;

    display:flex;

    align-items:center;

    justify-content:space-between;
}

.logo{

    text-decoration:none;

    font-size:1.8rem;

    font-weight:800;

    color:var(--primary);
}

nav ul{

    display:flex;

    list-style:none;

    gap:2rem;
}

nav a{

    text-decoration:none;

    color:var(--dark);

    font-weight:600;

    transition:.3s;
}

nav a:hover{

    color:var(--primary);
}

/* -------------------------------- */
/* Hero */
/* -------------------------------- */

.hero{

    min-height:calc(100vh - 80px);

    background:
        linear-gradient(
            rgba(0,0,0,.60),
            rgba(0,0,0,.60)
        ),
        url('../images/hero.jpg');

    background-size:cover;
    background-position:center;

    display:flex;

    align-items:center;

    position:relative;
}

.hero-content{

    color:white;

    max-width:800px;

    position:relative;

    z-index:2;
}

.hero h1{

    font-size:clamp(
        2.8rem,
        7vw,
        5.5rem
    );

    line-height:1.1;

    margin-bottom:1.5rem;

    font-weight:800;
}

.hero p{

    font-size:1.2rem;

    margin-bottom:2rem;

    max-width:700px;
}

/* -------------------------------- */
/* Badge */
/* -------------------------------- */

.badge{

    display:inline-block;

    padding:8px 16px;

    background:
        rgba(255,255,255,.15);

    border:
        1px solid rgba(255,255,255,.2);

    border-radius:50px;

    margin-bottom:1rem;

    backdrop-filter:blur(10px);

    font-size:.9rem;
}

/* -------------------------------- */
/* Buttons */
/* -------------------------------- */

.btn{

    display:inline-block;

    padding:15px 30px;

    border-radius:12px;

    text-decoration:none;

    font-weight:600;

    transition:.3s;
}

.btn-primary{

    background:var(--primary);

    color:white;
}

.btn-primary:hover{

    background:var(--primary-dark);

    transform:translateY(-2px);
}

.btn-secondary{

    border:2px solid white;

    color:white;

    margin-left:1rem;
}

.btn-secondary:hover{

    background:white;

    color:var(--primary);
}

/* -------------------------------- */
/* Sections */
/* -------------------------------- */

.section{

    padding:100px 0;
}

.section h2{

    text-align:center;

    font-size:2.5rem;

    margin-bottom:3rem;
}

/* -------------------------------- */
/* Cards */
/* -------------------------------- */

.cards{

    display:grid;

    grid-template-columns:
        repeat(auto-fit,minmax(280px,1fr));

    gap:2rem;
}

.card{

    background:white;

    padding:2rem;

    border-radius:var(--radius);

    box-shadow:var(--shadow);

    transition:.3s;
}

.card:hover{

    transform:translateY(-8px);

    box-shadow:
        0 20px 40px rgba(0,0,0,.12);
}

.card h3{

    margin-bottom:1rem;
}

.card a{

    display:inline-block;

    margin-top:1rem;

    color:var(--primary);

    text-decoration:none;

    font-weight:600;
}

/* -------------------------------- */
/* Stats */
/* -------------------------------- */

.stats{

    background:var(--primary);

    color:white;

    padding:80px 0;
}

.stats-grid{

    display:grid;

    grid-template-columns:
        repeat(4,1fr);

    gap:2rem;

    text-align:center;
}

.stats span{

    display:block;

    font-size:3.5rem;

    font-weight:800;
}

.stats p{

    margin-top:.5rem;
}

/* -------------------------------- */
/* Epoxy Highlight */
/* -------------------------------- */

.epoxy-highlight{

    background:var(--light);

    padding:100px 0;
}

.epoxy-grid{

    display:grid;

    grid-template-columns:
        1fr 1fr;

    gap:4rem;

    align-items:center;
}

.epoxy-grid img{

    width:100%;

    border-radius:var(--radius);

    box-shadow:var(--shadow);
}

.epoxy-grid h2{

    text-align:left;

    margin-bottom:1rem;
}

.epoxy-grid ul{

    list-style:none;

    margin:2rem 0;
}

.epoxy-grid li{

    margin-bottom:.8rem;
}

/* -------------------------------- */
/* Referenzen */
/* -------------------------------- */

.reference-grid{

    display:grid;

    grid-template-columns:
        repeat(3,1fr);

    gap:2rem;
}

.reference-item{

    position:relative;

    overflow:hidden;

    border-radius:var(--radius);
}

.reference-item img{

    width:100%;

    height:320px;

    object-fit:cover;

    transition:.4s;
}

.reference-item:hover img{

    transform:scale(1.08);
}

.reference-overlay{

    position:absolute;

    bottom:0;
    left:0;

    width:100%;

    padding:20px;

    color:white;

    background:
        linear-gradient(
            transparent,
            rgba(0,0,0,.8)
        );
}

/* -------------------------------- */
/* Page Hero */
/* -------------------------------- */

.page-hero{

    background:var(--primary);

    color:white;

    padding:120px 0 100px;
}

.page-hero h1{

    font-size:3rem;

    margin-bottom:1rem;
}

.epoxy{

    background:
        linear-gradient(
            rgba(0,0,0,.55),
            rgba(0,0,0,.55)
        ),
        url('../images/epoxy-hero.jpg');

    background-size:cover;
}

/* -------------------------------- */
/* CTA */
/* -------------------------------- */

.cta{

    background:var(--light);

    text-align:center;

    padding:120px 0;
}

.cta h2{

    margin-bottom:1rem;
}

.cta p{

    max-width:700px;

    margin:auto auto 2rem;
}

/* -------------------------------- */
/* Kontaktformular */
/* -------------------------------- */

.contact-form{

    max-width:800px;

    margin:auto;
}

.contact-form input,
.contact-form textarea{

    width:100%;

    padding:16px;

    margin-bottom:20px;

    border:1px solid #ddd;

    border-radius:12px;

    font-family:inherit;
}

.contact-form input:focus,
.contact-form textarea:focus{

    outline:none;

    border-color:var(--primary);
}

/* -------------------------------- */
/* Footer */
/* -------------------------------- */

.footer{

    background:var(--dark);

    color:white;

    padding:60px 0;
}

.footer-grid{

    display:grid;

    grid-template-columns:
        repeat(2,1fr);

    gap:2rem;
}

.copyright{

    margin-top:2rem;

    padding-top:2rem;

    border-top:
        1px solid rgba(255,255,255,.15);
}

/* -------------------------------- */
/* Mobile */
/* -------------------------------- */

.hamburger{

    display:none;
}

@media(max-width:992px){

    .stats-grid{

        grid-template-columns:
            repeat(2,1fr);
    }

    .epoxy-grid{

        grid-template-columns:1fr;
    }

    .reference-grid{

        grid-template-columns:1fr;
    }
}

@media(max-width:768px){

    .hamburger{

        display:block;

        font-size:2rem;

        background:none;

        border:none;

        cursor:pointer;
    }

    nav{

        display:none;

        position:absolute;

        top:80px;

        left:0;

        width:100%;

        background:white;

        box-shadow:
            0 10px 20px rgba(0,0,0,.1);
    }

    nav.active{

        display:block;
    }

    nav ul{

        flex-direction:column;

        padding:2rem;
    }

    .hero h1{

        font-size:2.8rem;
    }

    .hero-buttons{

        display:flex;

        flex-direction:column;

        gap:1rem;
    }

    .btn-secondary{

        margin-left:0;
    }

    .stats-grid{

        grid-template-columns:1fr;
    }

    .footer-grid{

        grid-template-columns:1fr;
    }

    .page-hero h1{

        font-size:2.2rem;
    }
}